XML 89 R78.htm IDEA: XBRL DOCUMENT v3.21.2

Long‑Term Debt - 2027 Notes Capped Call Options Narrative (Details) - 2027 Notes - Convertible Debt - USD ($) $ / shares in Units, $ in Thousands		6 Months Ended
	Jun. 28, 2021	Jun. 30, 2021
Debt Instrument [Line Items]
Capped call options expense		$ 50
Capped call transaction, cap price (USD per share)	$ 95.5575
Capped call, premium above share price, percentage	55.00%

X

- Definition

Capped Call Options Expense

+ References

No definition available.

+ Details

Name:	bsy_CappedCallOptionsExpense
Namespace Prefix:	bsy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Option Indexed to Issuer's Equity, Strike Price, Premium Over Share Price, Percentage

+ References

No definition available.

+ Details

Name:	bsy_OptionIndexedToIssuersEquityStrikePricePremiumOverSharePricePercentage
Namespace Prefix:	bsy_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Exercise or strike price stated in the contract for options indexed to the issuer's equity shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 40
-Section 50
-Paragraph 5
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=120519210&loc=d3e90205-114008

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(1)
-URI http://asc.fasb.org/extlink&oid=109262807&loc=d3e22047-110879

+ Details

Name:	us-gaap_OptionIndexedToIssuersEquityStrikePrice1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DebtInstrumentAxis=bsy_TwoThousandTwentySevenNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: